MS

Masafumi Seki

Canon: 11 patents #5,840 of 19,416Top 35%
NC Nippon Electric Co.: 2 patents #117 of 792Top 15%
NL Nippon Sheet Glass Company, Limited: 2 patents #332 of 836Top 40%
SC Shinko Electric Industries Co.: 2 patents #315 of 723Top 45%
Kyocera: 1 patents #2,054 of 3,732Top 60%
Overall (All Time): #254,438 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
10594084 Electrical connector having an actuator structure Fumihito Ikegami, Ryoichi Manabe 2020-03-17
10207511 Ink cartridge and ink jet printer Tatsuo Nanjo, Yasuo Kotaki, Kenta Udagawa, Hiroshi Koshikawa, Wataru Takahashi +7 more 2019-02-19
9931855 Liquid storage container Shigeki Fukui, Masanori Kaneko, Keiichiro Tsukuda, Yasuo Kotaki, Tatsuo Nanjo 2018-04-03
9840082 Ink cartridge and ink jet printer Tatsuo Nanjo, Yasuo Kotaki, Kenta Udagawa, Hiroshi Koshikawa, Wataru Takahashi +7 more 2017-12-12
9821562 Ink cartridge and ink jet printer Tatsuo Nanjo, Yasuo Kotaki, Kenta Udagawa, Hiroshi Koshikawa, Wataru Takahashi +7 more 2017-11-21
9597884 Ink cartridge and ink jet printer Tatsuo Nanjo, Yasuo Kotaki, Kenta Udagawa, Hiroshi Koshikawa, Wataru Takahashi +7 more 2017-03-21
D767673 Ink tank for printer Tatsuo Nanjo, Yasuo Kotaki, Kenta Udagawa, Hiroshi Koshikawa, Wataru Takahashi +6 more 2016-09-27
D767672 Ink tank for printer Tatsuo Nanjo, Yasuo Kotaki, Kenta Udagawa, Hiroshi Koshikawa, Wataru Takahashi +6 more 2016-09-27
D767674 Ink tank for printer Tatsuo Nanjo, Yasuo Kotaki, Kenta Udagawa, Hiroshi Koshikawa, Wataru Takahashi +6 more 2016-09-27
D767675 Ink tank for printer Tatsuo Nanjo, Yasuo Kotaki, Kenta Udagawa, Hiroshi Koshikawa, Wataru Takahashi +6 more 2016-09-27
9333758 Liquid storage container and liquid ejection apparatus Hiroshi Koshikawa, Yasuo Kotaki, Kenta Udagawa, Naozumi Nabeshima, Soji Kondo 2016-05-10
9278540 Liquid storage container and liquid ejection apparatus Naozumi Nabeshima, Koichi Kubo, Kazuya Yoshii 2016-03-08
9184106 Heat sink and semiconductor device Masahiro Yonemochi, Kesayuki Takeuchi, Shuji Negoro 2015-11-10
8648461 Semiconductor device 2014-02-11
5160360 Process for producing low-loss embedded waveguide Hideki Hashizume, Kenichi Nakama, Shigeru Kobayashi 1992-11-03
4790615 Demultiplexing and/or multiplexing optical circuit Yoshiyuki Hanada, Ryoichi Sugawara 1988-12-13
4575851 Double channel planar buried heterostructure laser with periodic structure formed in guide layer Ikuo Mito 1986-03-11
4375910 Optical isolator 1983-03-08